The examples previously mentioned confirmed considered one of The only scenarios of residence definition: a study-publish assets with no validation. By writing the code you would like during the get and set accessors, you may produce a number of scenarios.
The example previously mentioned enforces the rule that the first title need to not be blank or white Room. If a developer writes
You may incorporate any restrictive accessibility modifier to either the established or get accessors. Any obtain modifier you spot on the individual accessor need to be additional minimal in comparison to the entry modifier to the property definition.
Just one essential sample for employing a residence includes making use of A non-public backing industry for location and retrieving the home worth. The get accessor returns the worth with the private subject, and the established accessor may accomplish some facts validation right before assigning a worth to your personal field.
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It could toss a NullReferenceException with no this check in that case. To find out more, see events. This example also makes use of The brand new nameof operator to convert within the assets title image to its text illustration. Making use of nameof can cut down faults where you've mistyped the identify from the residence.
Again, applying INotifyPropertyChanged is an illustration of a circumstance where you can produce code inside your accessors to aid the scenarios you need.
You may put into practice these properties as expression-bodied associates. Expression system definitions consist of the => image accompanied by the expression to assign to or retrieve in the assets.
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House accessors normally consist of single-line statements that just assign or return the result of an expression.
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The previous illustration might be simplified by utilizing a toss expression as part of the property setter validation:
The preceding properties instance makes it possible for a caller to make a Individual utilizing the default constructor, even though that code doesn't established the FirstName property. Beginning in C# 11, you can demand
This method functions for just about any attribute you attach for the backing field over the auto-executed residence.